diff --git a/.librarian/state.yaml b/.librarian/state.yaml
index 06cb49b6..36b529dd 100644
--- a/.librarian/state.yaml
+++ b/.librarian/state.yaml
@@ -1,7 +1,7 @@
 image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/librarian-go@sha256:f2cbb6b904fdbf086efec0100536c52a79a654a5b9df21f975a2b6f6d50395a4
 libraries:
   - id: v2
-    version: 2.20.0
+    version: 2.21.0
     last_generated_commit: ""
     apis: []
     source_roots:
diff --git a/v2/CHANGES.md b/v2/CHANGES.md
index 6c39f728..86c4828c 100644
--- a/v2/CHANGES.md
+++ b/v2/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [2.21.0](https://github.com/googleapis/google-cloud-go/releases/tag/v2.21.0) (2026-04-01)
+
+### Features
+
+* hook transport telemetry into gax.Invoke and record (#496) ([d531001](https://github.com/googleapis/google-cloud-go/commit/d5310019d6c635956b61558627b13c2c2419044e))
+* update IsFeatureEnabled to not require EXPERIMENTAL (#497) ([a2a329e](https://github.com/googleapis/google-cloud-go/commit/a2a329e31d8ef8348a1ef7bea1c7072f8abcc145))
+
 ## [2.20.0](https://github.com/googleapis/google-cloud-go/releases/tag/v2.20.0) (2026-03-25)
 
 ### Features
diff --git a/v2/internal/version.go b/v2/internal/version.go
index 54dbcd33..6ee13c8d 100644
--- a/v2/internal/version.go
+++ b/v2/internal/version.go
@@ -17,4 +17,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "2.20.0"
+const Version = "2.21.0"